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Measuring Ice Core Temperatures
Marine biologist Mette Kaufman measures the temperature of a recently-drilled ice...
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Elevator Rudists
These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
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Recliner Rudists
Where ocean currents were strong, ancient rudist “recliners” lay unattached on...
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Rudist Clams
Rudist clams are mollusks that went extinct about 65 million years ago. They were...
Lesson Plan
Where Have All the Glaciers Gone?
Students will describe how climate change is affecting sea ice, vegetation, and...
Mon, 08/08/2011 - 16:33

Lesson Plan
The Puzzle of Ice Age Americans
Students describe alternative theories for arrival of first humans to come to...
Tue, 12/01/2009 - 12:19

Lesson Plan
The Methane Circus
Students will describe the overall events that occurred during the Cambrian...
Mon, 11/30/2009 - 18:31

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